Answer:
Step-by-step explanation:
Here, x² + 13x = -3
Here, as x² + 13x would remain same, you have to add or subtract equivalent number from both sides,
x² + 13x + 3 = 0
Answer:
Step-by-step explanation:
Both parts of the ratio can be divided by 9
81/9 = 9
72/9 = 8
The ratio is 9:8
54/48 is also 9:8
54 / 6 = 9
48/6 = 8
The ratio is 9:8
63:56 is also an answer
63 / 7 = 9
56/7 = 8
The ratio is 9:8
The others don't work. You can just look at them to see why.
Answer:
they give us a sense of where a score falls in relation to the mean of its population (in terms of standard deviation of its population), 2) they allow us to compare scores from different distributions, and 3) they can be transformed into percentiles.
Step-by-step explanation:
First you write an equation 1/2 divided by 5 than you change the division sign to a multiplication sign then you change the 5 to 1/5 then you multiply 1/2 times 1/5 and you get 1/10
